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https://issues.apache.org/jira/browse/KAFKA-14241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17606377#comment-17606377
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Ismael Juma commented on KAFKA-14241:
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This should only be allowed for the cluster metadata kraft topic, right?
> Implement the snapshot cleanup policy
> -------------------------------------
>
> Key: KAFKA-14241
> URL: https://issues.apache.org/jira/browse/KAFKA-14241
> Project: Kafka
> Issue Type: Sub-task
> Components: kraft
> Reporter: Jose Armando Garcia Sancio
> Assignee: Jose Armando Garcia Sancio
> Priority: Major
> Fix For: 3.4.0
>
>
> It looks like delete policy needs to be set to either delete or compact:
> {code:java}
> .define(CleanupPolicyProp, LIST, Defaults.CleanupPolicy,
> ValidList.in(LogConfig.Compact, LogConfig.Delete), MEDIUM, CompactDoc,
> KafkaConfig.LogCleanupPolicyProp)
> {code}
> Neither is correct for KRaft topics. KIP-630 talks about adding a third
> policy called snapshot:
> {code:java}
> The __cluster_metadata topic will have snapshot as the cleanup.policy. {code}
> [https://cwiki.apache.org/confluence/display/KAFKA/KIP-630%3A+Kafka+Raft+Snapshot#KIP630:KafkaRaftSnapshot-ProposedChanges]
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